Double your phone time with this lightweight battery case

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Our Verdict

For

Against

Unless you spend your life within a metre of a power socket or never actually use your iPhone, it's likely that at some point you'll get frustrated by your iPhone dying at an inconvenient moment.

We've come to love Mophie's battery cases, and often depend on them when away from power for a day. Now there's a version for the iPhone 5. Juice Pack Helium for iPhone 5's capacity is even a little higher than the iPhone 5's own battery at 1500mAh (a chunkier Juice Pack Air is also available, at 1700mAh), so you're almost doubling the life of your iPhone if you slip one of these cases on it.

Mophie gear has always been well made, but this is a real step up, even from its usual high build-quality. It really feels like a premium accessory, and the iPhone 5 is so slim and light that even adding the Juice Pack Helium's (not excessive) bulk, it still doesn't feel too bulbous.

There's one frustrating (though perhaps inevitable) design compromise. The headphone jack gets recessed inside a hole on the bottom edge of the unit. Although some headphones will still fit, Mophie supplies a short extender for those that don't. (There are some intriguing metal contacts on the bottom flanking the Micro-USB port through which you charge it; we've asked Mophie if this is for an easy docking system, but it's keeping schtum.)

Verdict

The Juice Pack Helium is expensive, but if you regularly find your iPhone 5 running out of power, we have to recommend it. It's well built, robust, light and looks great on your new iPhone.